Slow March of Frozen Time

This used to be the best place to watch music videos (music notes + TV)
Thor's got a new haircut, Hulk's got a new attitude, and Jeff Goldblum's got a whole lotta swagger... It's hammer time!
What does the sign at the entrance of Disneyland say?
What is the mass number of an atom?
What is the name for a bend in rock layers?
What is the name for a large body of ice that moves slowly over land?
Identify the flag of Tajikistan.